/// <summary>
/// Shutdown and forget a connection multiplexer.
/// </summary>
public static async Task ForgetAsync(Context context, ConfigurationOptions options)
{
RedisEndpoint endPoints = options.GetRedisEndpoint();
context.Debug($"Removing {nameof(RedisConnectionMultiplexer)} for endpoint: {endPoints}");
if (Multiplexers.TryRemove(endPoints, out var multiplexerTask))
{
context.Debug($"Closing connection multiplexer. Endpoint: {options.GetRedisEndpoint()}");
IConnectionMultiplexer multiplexer = await multiplexerTask.Value;
await multiplexer.CloseAsync(allowCommandsToComplete: true);
multiplexer.Dispose();
}
else
{
context.Warning($"Can't find {nameof(RedisConnectionMultiplexer)} for endpoint: {endPoints}");
}
}
private static async Task <IConnectionMultiplexer> GetConnectionMultiplexerAsync(Context context, ConfigurationOptions options, Severity logSeverity)
{
var operationContext = new OperationContext(context);
var endpoint = options.GetRedisEndpoint();
return(await operationContext.PerformNonResultOperationAsync(
Tracer,
async() =>
{
context.Debug($"{nameof(RedisConnectionMultiplexer)}: Connecting to redis endpoint: {endpoint}");
if (logSeverity != Severity.Unknown)
{
var replacementContext = context.CreateNested(componentName: nameof(RedisConnectionMultiplexer));
var logger = new TextWriterAdapter(replacementContext, logSeverity, component: "Redis.StackExchange");
return await ConnectionMultiplexer.ConnectAsync(options, logger);
}
return await ConnectionMultiplexer.ConnectAsync(options);
},
extraEndMessage : r => $"Endpoint: {endpoint}",
traceOperationStarted : false));
}
private static async Task <IConnectionMultiplexer> GetConnectionMultiplexerAsync(Context context, ConfigurationOptions options, Severity logSeverity, bool usePreventThreadTheft)
{
var operationContext = new OperationContext(context);
var endpoint = options.GetRedisEndpoint();
if (usePreventThreadTheft)
{
// See "Thread Theft" article for more details: https://stackexchange.github.io/StackExchange.Redis/ThreadTheft
// TLDR; when the feature is on all the continuations used inside the library are executed asynchronously.
ConnectionMultiplexer.SetFeatureFlag("preventthreadtheft", true);
}
return(await operationContext.PerformNonResultOperationAsync(
Tracer,
async() =>
{
context.Debug($"{nameof(RedisConnectionMultiplexer)}: Connecting to redis endpoint: {endpoint}");
var result = await CreateMultiplexerCoreAsync(context, options, logSeverity);
return result;
},
extraEndMessage : r => $"Endpoint: {endpoint}",
traceOperationStarted : false));
}
